package com.hwadee.eduservice.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.hwadee.commonutils.R;
import com.hwadee.eduservice.entity.EduTeacher;
import com.hwadee.eduservice.entity.vo.TeacherQuery;
import com.hwadee.eduservice.service.EduTeacherService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author wz
 * @since 2020-10-29
 */
@RestController
@RequestMapping("/eduservice/edu-teacher")
@CrossOrigin
public class EduTeacherController {
    //service注入
    @Autowired
    private EduTeacherService teacherService;

    //查询讲师
    @GetMapping("findAll")
    public R findAllTeacher(){
        //调用service方法
        List<EduTeacher> list = teacherService.list(null);
        return R.ok().data("items",list);
    }
    //逻辑删除讲师
    @DeleteMapping("{id}")
    public R removeTeacher(@PathVariable String id){
        boolean flag = teacherService.removeById(id);
        if(flag){
            return R.ok();
        }else {
            return R.error();
        }
    }

    //分页查询
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                             @PathVariable long limit){
        //创建page对象
        Page<EduTeacher> pageTeacher = new Page<EduTeacher>(current,limit);
        //调用方法实现分页
        //调用方法时，底层封装，把分页的数据封装到teacherPage对象里面
        teacherService.page(pageTeacher,null);

        long total = pageTeacher.getTotal();//总记录数
        List<EduTeacher> records = pageTeacher.getRecords();//数据list集合

        return R.ok().data("total",total).data("records",records);
    }

    //条件查询带分页
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current,
                                  @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery){
        //创建page对象
        Page<EduTeacher> pageTeacher = new Page<EduTeacher>(current,limit);
        //构建条件
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        //多条件组合查询
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        if(!StringUtils.isEmpty(name)){
            //构建条件
            wrapper.like("name",name);
        }
        if(!StringUtils.isEmpty(level)){
            wrapper.eq("level",level);
        }
        if(!StringUtils.isEmpty(begin)){
            wrapper.ge("gmt_create",begin);
        }
        if(!StringUtils.isEmpty(end)){
            wrapper.le("gmt_create",end);
        }

        //调用方法实现分页
        teacherService.page(pageTeacher,wrapper);

        long total = pageTeacher.getTotal();//总记录数
        List<EduTeacher> records = pageTeacher.getRecords();//数据list集合

        return R.ok().data("total",total).data("rows",records);
    }

    //添加讲师
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher){
        boolean save = teacherService.save(eduTeacher);
        if(save){
            return R.ok();
        }else {
            return R.error();
        }
    }

    //根据讲师id进行查询
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id){
        EduTeacher eduTeacher = teacherService.getById(id);
        return R.ok().data("teacher",eduTeacher);
    }

    //讲师修改功能
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean flag = teacherService.updateById(eduTeacher);
        if(flag){
            return R.ok();
        }else {
            return R.error();
        }
    }
}

